Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1462 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C8 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C2×C22⋊C4 |
| commutator | C23 | C22×C8 |
| Frattini, cosocle | C22×C8 | C23 |
| socle | C22 | C2×C22⋊C8 |
| prime radical | C24 | C2×C8 |
| LCS | G ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C23×C8 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
217 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 40 points:
(1,2)(3,6)(4,5)(7,8)(9,10,12,17,13,18,23,30,14,16,22,28,24,29,34,38)(11,15,20,26,21,27,33,37,19,25,31,35,32,36,39,40);(2,5)(6,8)(9,11)(10,15)(12,20)(13,21)(14,19)(16,25)(17,26)(18,27)(22,31)(23,33)(24,32)(28,35)(29,36)(30,37)(34,39)(38,40);(1,3,4,7)(2,6,5,8)(10,16)(11,19)(12,22)(18,29)(21,32)(23,34)(26,35)(37,40)Polycyclic presentation:
2^8|a^2=f,c^2=d,f^2=g,g^2=h,b^a=bd,c^a=ce,e^a=eh,c^b=ch,f^c=fh64 conjugacy classes — view the full character table.
| maximal subgroup of | #93343, #93640, #93686, … |
| maximal normal subgroup of | #93343, #93640, #93686, … |
| maximal quotient of | #135154, #135186, #135199, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5835);